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Finding the Fourth Proportional to 491,967.04, 737,951.10 and 136,981.84

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Solution

The fourth proportional to 491,967.04, 737,951.10 and 136,981.84 is: 205,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,967.04 : 737,951.10 = 136,981.84 : x
  2. Step 2: Convert to fraction form
    491,967.04/737,951.10 = 136,981.84/x
  3. Step 3: Cross multiply
    491,967.04x = 737,951.10 × 136,981.84
  4. Step 4: Simplify right side
    491,967.04x = 101,085,899,508.02
  5. Step 5: Solve for x
    x = 101,085,899,508.02/491,967.04
  6. Step 6: Final answer
    x = 205,472.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.